#573F7B#573F7B

#573F7B is a dark, moderate violet. Relative luminance 0.070; OKLCH L 42.2% C 0.099 H 300.7°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#573F7B
RGB	rgb(87, 63, 123)
HSL	hsl(264, 32%, 36%)
HSV	hsv(264, 49%, 48%)
CMYK	cmyk(29.3%, 48.8%, 0%, 51.8%)
CIE-LAB	lab(31.83, 24.08, -30.45)
CIE-LCH	lch(31.83, 38.82, 308.33°)
OKLab	oklab(42.22% 0.0507 -0.0854)
OKLCH	oklch(42.22% 0.099 300.7)
XYZ	xyz(9.2823, 7.0113, 19.5993)
Luminance	0.0701 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573F7B #637B3F

analogous

#3F457B #573F7B #753F7B

triadic

#573F7B #7B573F #3F7B57

tetradic

#573F7B #7B3F45 #637B3F #3F7B75

square

#573F7B #7B3F45 #637B3F #3F7B75

split-complementary

#573F7B #7B753F #457B3F

monochromatic

#1E162A #3A2A53 #573F7B #7454A3 #947ABB

Accessibility & contrast

On white

8.74

#573F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#573F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573F7B

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573F7B	#FFFFFF	#000000	##FFFFFF
##573F7B	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4B7D

Deuteranopia (green-blind)

#334B7A

Tritanopia (blue-blind)

#504A57

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #573f7b;
/* rgb */ color: rgb(87, 63, 123);
/* oklch */ color: oklch(42.2% 0.099 300.7);

Tailwind

colors: {
  custom: {
    50: '#8874a1',
    500: '#573f7b',
    950: '#000000',
  },
}

SCSS

$custom: #573f7b;
$custom-light: #8874a1;
$custom-dark: #000000;

JSON

{
  "hex": "#573f7b",
  "rgb": {
    "r": 87,
    "g": 63,
    "b": 123
  },
  "hsl": {
    "h": 264,
    "s": 32.258,
    "l": 36.471
  },
  "oklch": {
    "l": 0.42218,
    "c": 0.09936,
    "h": 300.7
  },
  "luminance": 0.07011
}

Semantic roles & 50–950 ramp

primary

#573F7B

secondary

#90A571

accent

#C85F9E

background

#F8F7F9

surface

#F0EDF2

border

#CBC8CC

text

#0B080F

muted

#7C7B7E

Preview Lab

Preview with #573F7B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →